Cost Digital Camera (LCDC) Chipset DESCRIPTION STMicroelectr

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Cost Digital Camera (LCDC) Chipset DESCRIPTION STMicroelectr

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STV0680A VV6444/6410/6500
Cost Digital Camera (LCDC) Chipset
DESCRIPTION
STMicroelectronics (ST), Imaging Division (formerly VLSI VISION Ltd.), utilised extensive experience designing imaging sensors digital still camera market develop chipsets modular systems which will provide core highly cost-competitive standard consumer digital stills cameras (DSC). Cost Digital Camera chipsets from incorporating CMOS imaging sensor STV0680A co-processor (formerly DCA1 enable camera manufacturers offer product which genuinely price competitive with traditional `point shoot' film-based cameras. chipset provides basis easy-to-use, user friendly camera, which will equally adaptable children adults stills photography dual-mode (i.e. Digital stills while untethered, videoconferencing from same camera). Incorporating wide range features, STV0680A chipset offers exceptional performance very competitive price point. ST's enable manufacturers offer fully functional products consumer between $100. evaluation (EVK) reference design manual available, well standard TWAIN Video Windows drivers. Alternatively, software development (SDK) allows access colour processing algorithms under licence, develop software. chipset incorporates ST's high performance VV6444/ 6410 (352 pixel) VV6500 (640 pixel) resolution CMOS sensors. complete camera will have picture storage capacity resolution QCIF resolution, when using 16MBit memory. When using 64MBit memory, will have picture storage capacity resolution QVGA resolution. standby mode which allows full picture retention extremely system power consumption gives battery life several months. example upload colour processing time image seconds when interface used, chipset also offers high frame rate tethered video mode (dependant loading). chipset supports 7-segment display showing number pictures remaining, battery indicator, operation mode, well buzzer indicating picture taken, camera full, self-timer countdown. CMOS solution gives manufacturers inherent benefits, providing highly integrated compact solution which system cost, straightforward implement, power consumption, giving long battery life.
FEATURES
(352 288) (640 480) resolution sensor Using 64MBit memory, picture storage capacity camera (CIF), (VGA), (QCIF). Using 16MBit memory, picture storage capacity, camera (CIF), (QCIF) USB/RS232 interface options Evaluation available power consumption (typically 75mA) complete camera system cost pixel High speed picture upload with tethered video mode gives QCIF resolution videoconferencing camera with support `Continuous' mode capturing image sequences (while untethered) downloading file format Memory refresh allows picture retention when camera standby mode with very current consumption TWAIN/Video Windows driver support Numeric panel supported Colour processing pixel defect detection/correction software available under license development software. license colour algorithm (embedded driver software) included price chipset.
PRODUCT FORMATS
Chipsets: manufacturers wishing design their cameras offers chipsets combining colour CMOS sensor with companion processor. evaluation kit, including demo software, comprehensive reference design manual available, including schematics bills materials. Modules: high volume companies, lensed camera modules available basic specification outlined, geared customer's individual requirements, subject commercial agreement with
SOFTWARE
Driver software available support both RS232 interface, included TWAIN Video Windows drivers (VfW through only, WIN98). creator application allows creation video files from untethered `continuous' mode images. colour processing defect detection/correction software supplied under licence agreement, part Software Development (SDK). This runs host under either Windows95or Windows98.
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This preliminary information product development undergoing evaluation. Details subject change without notice.
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
Table Contents
Introduction. Digital camera chipset Co-processor choices Sensor choices system features 1.4.1 Image features (STV0680A-002). 1.4.2 Image features (STV0680-001) 1.4.3 User features camera 1.4.4 User features software 1.4.5 Power management features compliance 1.4.6 General features Detailed features. Sensor type image formats 2.1.1 VV6444 2.1.2 VV6410 2.1.3 VV6500 User interface 2.2.1 Push buttons 2.2.2 indicator 2.2.3 Picture counter using segment display 2.2.4 Piezo buzzer Battery Level Detect auto-switch. interface options software support. 2.4.1 2.4.2 RS232 (not available STV0680-001) Anti-flicker exposure gain control. Camera modes operation Standby mode suspend mode) 3.1.1 Entering this mode. 3.1.2 Description. 3.1.3 Exiting this mode `Snapshot' mode High resolution) 3.2.1 Entering this mode. 3.2.2 Description. 3.2.3 Exiting this mode `Continuous Capture' mode High resolution) 3.3.1 Entering this mode. 3.3.2 Description. 3.3.3 Exiting this mode Self-timer Mode High resolution) 3.4.1 Entering this mode. 3.4.2 Description. 3.4.3 Exiting this mode `Clear camera'. 3.5.1 Entering this mode. 3.5.2 Description.
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STV0680A VV6444/6410/6500
3.5.3 Exiting this mode `Change resolution' 3.6.1 Entering this mode. 3.6.2 Description. 3.6.3 Exiting this mode Tethered Video mode. 3.7.1 Entering this mode. 3.7.2 Description. 3.7.3 Exiting this mode Powering camera off. 3.8.1 Entering this mode. 3.8.2 Description. 3.8.3 Exiting this mode STV0680A hardware interfaces STV0680A pinout Sensor interface Memory interface 4.3.1 SDRAM Current consumption 4.3.2 SDRAM interface timing requirements 4.3.3 SDRAM refresh Period 4.3.4 SDRAM initialisation Period. interface UART module RS232 interface 4.5.1 RS232 Physical interface. 4.5.2 UART Module Overview Power management battery type. 4.6.1 Power switching 4.6.2 Switched sensor supply 4.6.3 Battery type Quartz Crystal. Numeric interface 4.8.1 types 4.8.2 interface pinout Switches LED's 4.9.1 MODE push button SHUTTER push button: GPIO0 GPIO1 4.9.2 Input select between 60Hz flicker frequency: GPIO3 4.9.3 indicator output: GPIO5 4.9.4 Unused pins: GPIO2, software Driver support available Demonstration software software Software Development (SDK) 5.4.1 General 5.4.2 Overview Customisation options. Detailed chipset specifications Typical camera specifications.
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STV0680A VV6444/6410/6500
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STV0680/STV0680A companion processor VV6444 Sensor. VV6410 VV6500 sensors. Typical current consumption complete camera 7.5.1 Using VV6444 (sensor operates 7.5.2 Using VV6410/6500 (sensor operates 3.3V STV0680A descriptions Package Information STV0680A Listing. STV0680A pinout diagram STV0680A Package Dimensions Schematics example parts list complete camera design Schematics Example Parts List VV6444 Sensor Pinout Package Dimensions 10.1 VV6444 Listing 10.2 VV6444 Pinout Diagram 10.3 VV6444 Package Dimensions VV6410 Pinout information package dimensions 11.1 VV6410 pinout 11.2 VV6410 descriptions 11.3 VV6410 package Details (36pin CLCC) VV6500 Pinout descriptions (48pin package) 12.1 Pinout 12.2 VV6500 descriptions 12.3 VV6500 package Details LCC) Evaluation Ordering details
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
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Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
Revision notes
following changes have been included since revision 2.00.
Removed schematics only show example parts list, instead referring respective reference designs Section Documentation refers STV0680A which supercedes STV0680 Section explanation. Clarified which STV0680/680A variants which operating systems offer support RS232 support, offering support Table Updated STV0680A descriptions (pinout changed) Section Confirmed user interface functionality Section added Table show modes operation button functions. Section Images captured both `High' `Low' resolution stored camera memory same time. Therefore there need images stored memory cleared before changing image resolution.
Added approximate shutter speeds, Table Adjusted sensor image array sizes Section correct sizes. Updated ordering information Section Updated current consumption information STV0680, STV0680A, VV6444, complete camera, Section Section 7.5. Added framerates STV0680A (Section 2.1). order number STV0680A-002
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Changed filter recommendation, section Section 2.1.1.
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
Introduction Digital camera chipset
This document describes features functionality CMOS chipset, comprising STMicroelectronics (ST) resolution sensor STV0680A companion processor (formerly known DCA1: Digital Camera ASIC well outlining what peripheral components required/supported order complete camera using chipset. Such camera particularly suited dual-mode digital stills applications. stills mode, camera stores image data memory. camera carries colour processing, ensuring simplicity cost. Subsequent download data processing done through RS232 (not STV0680-001) interface, through demo software, TWAIN driver, custom application. license colour algorithm (embedded driver software) included price chipset. video option provided, when tethered through USB, which allow Video Windows applications, `video clips' recorded while untethered continuously capturing images while `Continuous' mode, then downloaded playback, using software create file. Precise design guidelines available from reference design (see Section software development (SDK) available from interface camera provide basis developing custom software application stills and/or video, which includes colour processing software.
Push buttons: Shutter cost lens
Optional Indicator
ptional seg.
river S232
STV0680A
SDRAM
Transceiver ircuit ower anagem ircuit
CMOS Sensor: VV6444/6410 (CIF) VV6500 (VGA)
Sensor data
Sensor clock ptional Piezo Buzzer
Sensor udio
RS232 interface interface
6-9V Battery e.g.,
Detect Battery
speaker
Buffer supply TV0680A)
Switched sensor supply V6444, 6410/6500)
Figure Typical camera system block diagram Co-processor choices
following co-processor choices available. STV0680A supercedes STV0680, uses different silicon different firmware compared STV0680. Functionally exactly same STV0680 except that supports driver. addition, firmware variant means that STV0680A also supports VV6410 VV6500 sensors, well 64Mbit memory size. firmware variant STV0680 denoted STV0680-001 does support RS232 interface.:
Coprocessor
STV0680-001 STV0680A-002
Sensors supported
VV6444 VV6444/6410/6500
SDRAM supported
16Mbit only 16Mbit 64Mbit
interface
RS232 interface
Video Windows support
Table Product choices
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STV0680A VV6444/6410/6500
Sensor choices
following sensors supported:
Sensor
VV6444 VV6410 VV6500
Resolution
(352 288)
Sensor supply voltage
3.3v
(640 480)
Table Sensor choices with STV0680/STV0680A
features typical camera based STV0680A chipset follows:
1.4.1
Image features (STV0680A-002)
Support 3.3V resolution sensor (VV6444 VV6410) pixels Support 3.3V resolution sensor (VV6500) pixels picture storage capacity possible CIF, with 64MB memory picture storage capacity VGA, with 64MBit memory greater number images stored when `Low' resolution mode enabled (e.g. QCIF images with 16Mbit memory, QVGA images with 64Mbit memory). Table Table Automatic anti-flicker exposure gain control
1.4.2
Image features (STV0680-001)
Supports resolution sensor (VV6444) pixels. picture storage capacity possible with 16MB memory. picture storage capacity possible QCIF with 16MB memory. Automatic anti-flicker exposure gain control
1.4.3
User features camera
Self-timer mode allows picture captured after several seconds. Twin segment panel supported showing number pictures left, modes. Picture counter helps user know much memory left. Un-tethered `Continuous' mode allows capture image sequences storage memory subsequent download Piezo buzzer indicates number useful events user, e.g. whether enough light present picture capture, etc. Indicator LED.
1.4.4
User features software
software allows number features, including fast download thumbnail images picture selection, automatic detection correction sensor defects. Table clarifies driver compatibility available, including: TWAIN driver suit TWAIN compatible imaging applications Video Windows driver tethered video mode (through USB), available resolutions, with fastest framerates QCIF resolution
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system features
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
video file creation from image sequences captured `continuous' mode
Interface type: Operating system:
STV680-001 STV0680A-002
RS232 Win9x, WinNT4, Win2k
available TWAIN
Win98 Win2k only
TWAIN TWAIN,
Table Driver choices
Custom software developed using (for availability, contact ST), upload thumbnails/still images `continuous' images, e.g. file creation.
1.4.5
Power management features compliance
Picture retention with extremely power operation, which appears user camera "switched off". Auto power-off after 30sec with user activity Operates from 6-9V battery, although system voltage 3.3V, dependant sensor. battery detection Dependant hardware configuration, switch-over power supply supported, allow device operate with batteries without batteries, when connected USB. Full compliance requirements listed specification, however, camera designed using this chipset, following must least included: SDRAM with sufficiently self-refresh current, inrush protection circuitry, case VV6444 only) switched sensor supply used, maintain sufficient supply voltage sensor. Section further details.
1.4.6
General features
High speed picture download over Colour processing algorithms available under license part drivers/SDK) RS232 serial interface options, TWAIN driver support. Customisation STV0680A possible vary features described this document, subject commercial agreement with Section
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STV0680A VV6444/6410/6500
Detailed features Sensor type image formats
sensor type auto-detected STV0680A, which ensures that correct sensor timing enabled, correct image resolutions enabled, shown Table stills photography, `High' `Low' resolution mode selected, give QCIF pictures from sensor, QVGA from sensor (see Table Section 3.7). Reduced resolution allows storage more images. Images captured both `High' `Low' resolution stored camera memory same time. Therefore there need images stored memory cleared before changing image resolution. Where connected, host software (through Video Windows driver) activate tethered video mode, regardless user inputs camera buttons. this case, image resolution controlled driver.
Sensor
Sensor Image Size
Resolution mode
Final Image Size
Approximate framerate
frames/sec frames/sec
VV6444/ 6410
High
QCIF (Subsampled) QVGA (Subsampled)
(see notes)
VV6500
High
(24)
frames/sec frames/sec
Table Image modes supported (STV0680A-002)
*Notes: framerate dependant performance loading image sizes supported STV0680/680A variants Table clarification. camera with STV0680A-002 64Mbit SDRAM store images using QCIF mode. Where images still available, display will remain Where (no. images available) <99, display will show number images available, case with other modes.
Sensor
Sensor Image Size
Resolution mode
Final Image Size
Max. images stored 16MBit memory
VV6444
High
QCIF (Subsampled)
Table Image modes supported (STV0680-001) 2.1.1 VV6444
VV6444 resolution, CMOS imaging sensor. brief specification shown Section VV6444 same functionality array size un-microlensed VV6404 sensor, microlensed array different colour characteristics. Although VV64444 VV6404 electrically identical, STV0680 STV0680A correct CDSTV0680F-C STV0680F_contents.fm Commercial confidence
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Max. images stored 16MBit memory
Max. images stored 64MBit memory
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
settings VV6444 colour set. This means that VV6404 should used with STV0680/680A. filter design, best choice filter follows GS0034 dielectric stack filter specification, which available from alternative, although optimal filter, would Schott S8612 doped glass, also sold CM500.
2.1.2
VV6410
VV6410 resolution, 3.3V CMOS imaging sensor. brief specification shown Section dual design support VV6444 VV6410 possible, since VV6410 sensor. dual footprint VV6410 VV6500 possible since package types differ, however, same support circuit used. Section
2.1.3
VV6500
VV6500 resolution, 3.3V CMOS imaging sensor. brief specification shown Section dual design support VV6444 VV6500 possible, since VV6500 sensor. dual footprint VV6410 VV6500 possible since package types differ, however, same support circuit used. Section
User interface
user interface supported STV0680A comprises user controls, audible signals visual displays.
Note
2.2.1
precise functionality user interface vary from that existing demonstration units. version shown here close actual functionality available STV0680A.
Push buttons
following typical type functions which supported chipset. These functions achievable with more than push buttons. Mode button (Wake-up/Switch between modes): This button allows user (1.1) wake camera from standby mode when camera used taking pictures, (1.2) switch between modes operation shown Section Shutter button (Shutter/confirm action): This button allows user take picture confirm action, shown Section modes operation described Section
2.2.2
indicator
display camera status, i.e. show that camera `Snapshot' mode.
2.2.3
Picture counter using segment display
STV0680A stores picture counter value, which shows many images still captured. STV0680A supports segment panel. `Snapshot' mode continuous capture mode, this panel displays number pictures still available, which useful identify when user approaching maximum number images which stored (see Table Table possible clear images stored memory, order continue taking pictures, shown Table other modes, this panel shows displays 2-character code shown Table which helps user navigate around modes. Note: camera with STV0680A-002 64Mbit SDRAM store images using QCIF mode. Where images still available, display will remain Where (no. images available) <99, display will show number images available, case with other modes. suitable numeric panel types, Section 4.8.
2.2.4
Piezo buzzer
on-chip Pulse Width Modulator (PWM) STV0680A used generate buzzer sounds signal certain events. following typical type events which indicated buzzer, each distinctive sound: Camera been `Woken from standby mode (either user pressing button, re-connecting power source, connecting USB/RS232 connection).
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STV0680A VV6444/6410/6500
Camera been `gone sleep' i.e. moved into standby mode. Pictures retained memory. Picture been successfully taken after user presses capture button. Picture been taken after user presses capture button. This indicates user that there insufficient light, that exposure control ready rapid change lighting scene. Picture been taken after user presses capture button, picture counter having reached maximum number images. user chance zero counter desired. continuous capture un-tethered `Continuous' mode, memory full. Self-timer activated counting down.
Battery Level Detect auto-switch
Note: requirement certain compliance tests that such additional hardware included camera design, order enable camera switch supply from hence report back while connected without battery.
interface options software support
Either Interface (full speed 12Mbit/sec max.) RS232 interface (115.2Kbaud) supported chipset, with driver software available from both. interface type auto-detected chipset. software following (exact compatibility clarified Table Simple image upload demonstration software supplied allowing uploading stills `continuous' images. This software should supplied end-user product. TWAIN driver suit TWAIN compatible imaging applications Video Windows driver tethered video mode (USB only) Custom end-user software developed using (for availability, contact ST). supplied 32-bit format, running Windows accessed through documented software interface. This provides basis developing custom software application uploading stills and/or video. Section further details.
2.4.1
Complete images (displayed either thumbnails full resolution), entire SDRAM contents (e.g. uploading continuously captured image sequences, recorded using `Continuous Capture' mode) downloaded through USB, connection also allows tethered video mode activated driver. Thumbnail image download extremely fast entire memory contents camera. Once picture selected download, full image download takes approximately 0.15 seconds image image (0.6 seconds image), plus post processing time image. interface details, Section 4.4. Note: Actual download post processing time also depends performance loading
2.4.2
RS232 (not available STV0680-001)
Thumbnails images, complete stored images, entire SDRAM contents downloaded through RS232, tethered video supported. Once picture selected download, full image download takes approximately seconds image image (around seconds image), plus post processing time image order second approximately). RS232 interface details, Section 4.5. Note: Actual post processing time after RS232 download also depends performance
Anti-flicker exposure gain control
chipset operates automatic exposure gain control either 50Hz 60Hz mains-driven indoor lighting, using same 12MHz crystal. This improves picture quality selecting exposure values which minimise `flicker' effects. Detection CDSTV0680F-C STV0680F_contents.fm Commercial confidence
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on-chip battery level detector STV0680A detects when battery voltage falls below threshold. This threshold determined designer, dependant perception what remains `acceptable' image quality battery voltage falls. chosen threshold level determined resistor value, shown Section Where been detected, display flashes, which indicates that battery low. Where connection been detected, camera sources power from USB, certain additional hardware fitted.
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
mains frequency dependant status GPIO3 pin, which achieved population link late stage production, once country destination known, without need change crystal frequency. auto exposure gain algorithm always enabled during mode. When shutter button pressed `Snapshot' mode, chipset captures image exposure gain value reached suitable value current scene. light detected suddenly changed, camera emit audible tone indicate that more time required reach correct exposure target. `Snapshot' mode chipset only captures image data sufficient light present image. continuous capture mode, chipset captures images regardless whether enough light present. Note: Auto-detect mains lighting frequency currently supported.
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Camera modes operation
Mode
Standby mode 'Snapshot' mode
shutter button pressed while this mode
function pictures cannot taken standby mode Takes picture, sufficient light available, then returns `Snapshot' mode
mode button pressed while this mode
Wakes camera into `Snapshot' mode Moves continuous capture mode
further action
Remains standby mode Stays `Snapshot' mode seconds then moves standby mode Returns `Snapshot' mode after seconds
displays
(Display blank) Number pictures still available take
Self timer
Takes picture after second countdown, sufficient light available, then returns `Snapshot' mode (1st press:) Prompts user clear camera (2nd press:) Clears images stored camera, then returns `Snapshot' mode
Moves `Clear camera' mode Moves `Change resolution' mode (see note)
"St"
'Clear camera'
"CL"
'Change resolution'
Changes resolution (i.e. High, High Low) returns `Snapshot' mode
Returns `Snapshot' mode
currently Resolution: "Hr" currently High resolution: "Lr"
Table Camera modes
Note: STV0680-001, pressing Mode button while `Clear Camera' mode only moves onto `Change resolution' mode camera images stored. This because STV0680-001, mixed resolutions (i.e. `High' `Low') cannot stored same time. STV0680A-002, mixed resolutions stored same time. above modes interrupted detection RS232 connection. This allow possibility that driver takes control chipset (e.g. when starting application through USB).
3.1.1
Standby mode suspend mode) Entering this mode
camera enters standby mode automatically after seconds inactivity tethered USB, when suspend mode activated driver.
3.1.2
Description
This allows image data stored memory with extremely power consumption, which appears user camera switched `off', since there display lit. VV6444-based designs, STV0680A powers sensor completely, VV6410/6500 based designs, sensor placed suspend mode, camera enters mode where only SDRAM refresh carried out. shutter button inactive standby mode.
3.1.3
Exiting this mode
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Continuous capture
Takes picture every 80mS while button pressed, regardless light available, then returns `Snapshot' mode
Moves self timer mode
Number pictures still available take
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
RS232 receives start from host software (only detected) connection detected suspend mode, driver re-starts communications with camera specification
3.2.1
`Snapshot' mode High resolution) Entering this mode
This default mode wake-up when tethered i.e. pressing Mode button while standby mode, powering camera. entering this mode, current resolution (i.e. `Hr' `Lr') displayed briefly, there brief pause (approx. 1second) during which pictures cannot taken. This allow Auto-exposure Gain control settle. then displays number pictures still available.
3.2.2
Description
Using shutter button, `Snapshot' mode allows single pictures grabbed using capture button. displays number pictures still available. Auto-exposure gain continuously enabled. camera grabs image when capture button pressed, sufficient light available, exposure gain algorithm settled, picture counter
3.2.3
Exiting this mode
After seconds non-activity, while tethered camera goes into Standby mode.
3.3.1
`Continuous Capture' mode High resolution) Entering this mode
Enabled using mode button (from `Snapshot' mode, press once).
3.3.2
Description
displays "Ct". Auto-exposure gain continuously enabled. While shutter button pressed, user activate continuous capture approx. 12.5 frames second, allow recording `video' sequence, whether camera tethered regardless whether enough light available. picture counter decremented once frame. continuous image data stored memory then downloaded Once memory full, user alerted audible tone. possible store mixture still images `Continuous' images memory.
3.3.3
Exiting this mode
After seconds non-activity, after releasing shutter button, camera returns standby mode.
3.4.1
Self-timer Mode High resolution) Entering this mode
Enabled using mode button (from `Snapshot' mode, press twice).
3.4.2
Description
displays "St". Auto-exposure gain continuously enabled. When shutter button pressed, camera counts down seconds, then grabs image, sufficient light available exposure gain algorithm settled, picture counter reached maximum. Image data stored memory picture counter decremented.
3.4.3
Exiting this mode
After seconds non-activity, after timer counted down seconds, camera returns standby mode.
3.5.1
`Clear camera' Entering this mode
Enabled using mode button (from `Snapshot' mode, press three times).
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reached maximum. Image data stored memory picture counter decremented.
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
3.5.2
Description
displays "CL". Pressing shutter button twice will clear images camera.
3.5.3
Exiting this mode
After seconds non-activity, after camera been cleared, camera returns standby mode.
3.6.1
`Change resolution' Entering this mode
This enabled using mode button (from `Snapshot' mode, press four times). Note: STV0680-001, images stored memory must cleared before this mode entered. This because STV0680-001, mixed resolutions (i.e. `High' `Low') cannot stored same time.
displays target resolution which camera changed, i.e. High resolution "Lr" (Low resolution) displayed, resolution, "Hr" (High resolution) displayed. `High' resolution stores full image resolution from sensor array, while `Low' subsamples sensor array, store number images (e.g. QCIF mode, compared mode). Dependant type sensor used, different resolutions obtained, Table Table pressing shutter button, user changes resolution.
3.6.3
Exiting this mode
After seconds non-activity, after resolution been changed, camera returns standby mode.
3.7.1
Tethered Video mode Entering this mode
This activated Video Windows driver while camera tethered, dependant whether supported (see Table
3.7.2
Description
camera controlled driver. Note: images continuous image sequences contained camera lost when video Windows driver starts.
3.7.3
Exiting this mode
This controlled drivers.
3.8.1
Powering camera Entering this mode
This truly mode operation, description what happens battery power connection removed from camera battery power removed, which camera tethered, switched off. battery voltage falls extremely low. Ways avoiding this situation discussed reference design, Section
Note: normally camera with interface should source power from connection, this hardware dependant, Section
3.8.2
Description
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3.6.2
Description
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
seconds, although this guaranteed).
3.8.3
Exiting this mode
When camera powered again, either when battery re-fitted, re-connected, re-started, camera will power into standby mode, High resolution, with images available.
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STV0680A hardware interfaces STV0680A pinout
STV0680A pinout been carefully developed minimise physical size support printed circuit board facilitating placement electrical routing peripheral support components such SDRAM. complete pinout listing shown Section
Sensor interface
STV0680A uses standard digital interface from sensor, sensor clock input provided output from STV0680A. Designing camera using this chipset should design close possible reference design (Section 9.), which case chipset regarded functional `black box', further details regarding STV0680A-sensor interface required.
Memory interface
STV0680A designed interface external 16Mbit 64Mbit SDRAM (see Table Table SDRAM device must have wide data operate from 3.3V supply. sizes SDRAM memory supported STV0680A, 16MBits bits wide) 64MBits bits wide), memory size auto-detected STV0680A. STV0680A clocks SDRAM 6MHz, typically this well below figures offered most manufacturers' devices. Devices which PC66 and/or PC100 compliant preferred. interface wiring, Section
4.3.1
SDRAM Current consumption
maximum system battery life while pictures being taken, assist meeting requirements compliance, SDRAM should chosen with lowest possible self refresh current specification. suggested SDRAM part numbers, Section
4.3.2
SDRAM interface timing requirements
following timing diagrams should referred when selecting SDRAM other than those recommended Section
DCLK
tCMS Command tCMH READ PRECHARGE
ACTIVE
A0-9,BA
COLUMN
tCMS tCMH
READ Latency
DOUT
DOUT
DOUT
DOUT
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Figure SDRAM Read Timing (16Mbit device, burst read)
DCLK
tCMS Command tCMH WRITE PRECHARGE
ACTIVE
A0-9,BA
COLUMN
Figure SDRAM Write Timing (16Mbit device, burst write)
Symbol tCMS tCMH
166.45
166.89
Units
Symbol tRCD tRAS tRCD
81.01 83.41 82.76
Units
82.88 82.85 82.88
Table Timing parameters SDRAM read/write 4.3.3 SDRAM refresh Period
SDRAM refresh period from STV0680A guaranteed greater than 15.6µS during tethered video modes operation (i.e. standby mode). standby mode, SDRAM self-refresh, therefore
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tCMS
tCMH
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STV0680A VV6444/6410/6500
refresh from STV0680A takes place.
4.3.4
SDRAM initialisation Period
SDRAM initialisation period currently 981µS STV0680A.
interface
STV0680A includes Version compliant Universal Serial Interface, including transceiver. This allows direct connection from STV0680A connector with minimal additional hardware (i.e. small number passive discretes) Section interface interfaces STV0680A full speed 12MHz data rate. Some features are: Compliant with protocol revision 1.1. protocol handling. device state handling. Clock data recovery from USB. stripping stuffing functions. CRC5 checking, CRC16 generation checking. Serial parallel conversion. Single bulk point.
drivers supplied timing information, please refer specification V1.1.
UART module RS232 interface
UART module STV0680A provides 115200 baud full duplex interface external Host.
4.5.1
RS232 Physical interface
STV0680A does support direct connection serial link. Physical line driver circuitry required, e.g. using standard RS232 transceiver chip, using small number cost discretes shown Section 9.). schematics shown assume core cable with length greater than Unscreened cable used, suitable cost connector 3.5mm audio jack plugs/sockets.
4.5.2
UART Module Overview
Receiving data UART module STV0680A receives serial data through pin. Data reception initiated 1-to-0 transition RXD, received data sampled every 8.66µS. input when incoming data first sampled, UART module goes back look another 1-to-0 transition. This provide rejection false start bits. start proves valid, reception rest frame will proceed.
Transmitting data
When transmission activated STV0680A, contents internal transmit shift register shifted onto pin, every 8.66µS. UART operates 12MHz, which integer multiple 115200, actual baud rate 115232 0.3%, which well within requirements typical oversampling UART, which tolerate 3.75% error baud rate.
Power management battery type
STV0680A SDRAM require 3.3V supply. Where VV6410 VV6500 (3.3v) sensor used, single voltage regulator used regulate supply three components from battery, sensor on-board VReg used. Where VV6444 used, sensor requires supply, hence DC-DC converter recommended provide enough voltage when camera powered from bus. These explained more fully reference design.
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4.6.1
Power switching
Included compliance requirements, ability camera report when connected bus, whether there fresh battery camera. This means that power sourcing from required, which also saves battery life while camera used tethered video mode. order allow switching from battery power, some additional hardware required (see also Section 9.): USBDETECT input STV0680A used detect that power supply connected detected, additional hardware used switch battery inrush protection circuit protect from current draw case battery/battery fitted. This necessary comply with specification. precise compliance requirements, please consult specification version
4.6.2
Switched sensor supply
4.6.3
Battery type
This hardware dependant. schematics referred Section assume either three four 1.5V cells.
Quartz Crystal
Regardless sensor type anti-flicker requirements, sensor STV0680A chipset operates from single 12MHz fundamental quartz crystal. specification requirements, Table STV0680A includes on-chip jitter PLL, characteristics, Table
Numeric interface
STV0680A supports 2-digit panel only, alpha-numeric display.
4.8.1
types
STV0680A connects multiplexed, direct drive with segments. Many types compatible with this interface. refresh frequency 34.7Hz.
4.8.2
interface pinout
connects segment 'a', connects segment 'b', where standard 7-segment displays, well common output, giving fifteen signals total.
Switches LED's
GPIO lines STV0680A have pre-defined functions follows, Section user interface functionality, Section precise hardware implementation.
Note
4.9.1
precise functionality early demonstration units vary from actual user interface supported STV0680A.
MODE push button SHUTTER push button: GPIO0 GPIO1
Both push button inputs have internal de-bounce circuits, reducing amount hardware required externally. recommended that labelling used camera casing help user understand functioning 2-button interface.
4.9.2
Input select between 60Hz flicker frequency: GPIO3
This allows factory setting anti-flicker frequency, dependant final country destination. also Section 2.5. polarity this selection detailed reference design (see Section 9.).
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Dependant hardware implementation, SENSPWR output from STV0680A used power completely sensor during Standby mode case VV6444) sensor into Suspend mode case VV6410/6500). This significant improvement battery life.
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STV0680A VV6444/6410/6500
4.9.3
indicator output: GPIO5
output current sinking capability.
4.9.4
Unused pins: GPIO2,
These should tied GND.
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software Driver support available
Interface type: Operating system:
STV680-001 STV0680A-002
RS232 Win9x, WinNT4, Win2k
available TWAIN
Win98 Win2k only
TWAIN TWAIN,
Table Driver choices Demonstration software
following supplied with evaluation kits/demonstration units (This software mainly demonstration purposes should supplied end-user product.): Simple demonstration software uploading thumbnails images. Video demonstration application STV0680-001 tethered "video" mode through (WIN only) (NOT compatible). This required STV0680A, which used with standard drivers. creator software uploading continuous images creating `movie' clips.
Note
With STV0680, simple video.exe application provided. Whilst being application, gives sufficient framerate allow camera test, lens focussing, etc.
software
OEM's have following options productisation camera based chipset: TWAIN driver uploading images, this would allow camera bundled with standard TWAIN compatible imaging software. Video Windows driver tethered video mode through (WIN WIN2K only). This would allow camera bundled with standard video windows software. Development custom end-user software, including colour process, developed under license using SDK.
5.4.1
Software Development (SDK) General
software development supplied under license agreement, which allows develop custom application which perform picture download, thumbnail display, colour processing. This supports Windows95(Serial interface only) Windows98/Win2K(Serial USB), includes features such Very fast download (through USB) colour display image thumbnails picture selection Download full image once selected user software Colour processing full image, using colour process Automatic detection correction sensor defects
supplied 32-bit format, running Windows 98/Win2KTM, accessed through documented software interface. This provides basis developing custom software application stills and/or video. chipset comprises following: Interface library containing Application Programmer's Interface (API) functions. Provided library header files. driver files necessary chosen communications link (supplied files). Documentation functions including example code fragments.
software built 32-bit modules Windows 98/Win2K. serial communications link also supported Windows development environment Microsoft Visual higher assumed.
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5.4.2
Overview
application software communicates with camera means illustrated Figure User Application
Drivers
Camera Module
Figure Software interface
user application, drivers host drivers communicate with camera chosen communications link (either serial USB). core functions allow for: camera opened closed device under operating system Query camera information configuration (e.g., number pictures taken, current mode setting) Uploading images thumbnail images Control camera functions (e.g., taking picture resetting image counter).
Both single-threaded multi-threaded programming models supported camera accessed using either synchronous (i.e., blocking) asynchronous (i.e., non-blocking overlapped) communications. Where asynchronous communications used, application developer responsible coordinating tasks access camera.
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Customisation options
feature STV0680A chipset encompasses vast majority digital stills camera applications. However, subject commercial agreement high volume applications, configuration STV0680A could modified allow chipset produced. Please contact details.
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STV0680A VV6444/6410/6500
Detailed chipset specifications Typical camera specifications
following data assumes that camera been built according reference design shown Section Supply Voltage: Operating Temperature range Example lens horizontal Max. RS232 cable length supported output QCIF output output (using VV6500) QVGA output (using VV6500) Image upload format driver output format 6-9V (when powered from battery) (when powered from USB). Note 40oC note pixels
pixels pixels Bayer Colour bitmap
Table Typical camera specifications
Notes: Dual battery power supply only possible when required power switching hardware included, shown Section Figures approximate depend actual components sourced.
Sensor
VV6444 VV6410 VV6500
8.18µS 8.67µS 7.94µS
39mS 44mS 66mS
Table Approximate shutter speeds STV0680/STV0680A companion processor
Parameter Supply Voltage Current consumption (normal operation) Standby current consumption (untethered standby mode suspend mode) Operating Temperature range Package Exposure control
0.35
100QFP 000:1
Units
Table STV0680/STV680A Specifications
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pixels
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Description
Storage Temperature (Approximate)
Range
Unit
Table STV0680/STV0680A Absolute Maximum Ratings
Parameter
VILU VIHU VIHUZ VOLU VOHU VOHU VCRS TFRFM ZDRV
Description
Power Supply differential D+/D- input differential D+/D- input high (driven) differential D+/D- input high (floating) differential D+/D- input sensitivity differential D+/D- common mode voltage differential D+/D- output voltage differential D+/D- output high voltage differential D+/D- output high voltage differential D+/D- output signal cross over voltage differential D+/D- pullup resistor differential D+/D- pulldown resistor Rise Time Fall Time Differential Rise Time Fall Time Matching Driver Output Resistance
Units
Note
1.425 14.25 1.575 15.75 111.11
Ohms
Table STV0680/STV0680A Characteristics
Notes Table |(D+) (D-)| includes range. TFRFM ZDRV includes external resistor Ohms serial this transceiver.
Parameter
Peak peak jitters Duty cycle Operating voltage range Input voltage Input high voltage Pull_in Time Locking Time
Symbol
-VDD Tready
0.7VDD
Unit
Condition
@VCOfreq 100MHz 200MHz
VDD=3.3V VDD=3.3V
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Output Slew Rate
Tsr(Fout)
0.100+0.1082*CL
CL:Output Load(pF)
Table STV0680/STV0680A Characteristics
Parameter
Crystal specification Crystal frequency Frequency tolerance Temperature stability Operating temperature Load capacitance
Units
50/50/10/30 (12mhz Fundamental) 12.000
Table STV0680/STV0680A Crystal Tolerance
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VV6444 Sensor
Colour Image Format Pixel Size Image array size Array Format Sensor signal Noise ratio Supply Voltage Package type Operating Temp. range Current consumption video modes operation Standby/PC Suspend Mode, sensor powered (see note Standby/PC Suspend Mode, sensor powered (See note pixels (CIF) 12.0 11.0µm 4.272mm 3.212mm Approx. 48dB note 5.0V +/-5% 48LCC 40oC Negligible Approx. Units
Table VV6444 Specifications
Notes: 48dB refers VV6404. With addition microlenses VV6444, increase sensitivity expected. Where sensor completely powered switcher (external hardware) during Standby/PC Suspend Mode. Where FET/switcher implemented, sensor powered throughout Standby/PC Suspend Mode, however sensor clock disabled.
Parameter
Junction Temp Internal Pullup resistor Internal Pulldown resistor
Min.
-0.5v
Max.
0.5v 0.4V
Notes
Guaranteed input voltage Guaranteed input high voltage type 100µA type
2.4v
0.5v 150k 150k
Table VV6444 Characteristics VV6410 VV6500 sensors
Colour Image Format Pixel Size pixels (CIF) 6.9µm
Table VV6410 Specifications
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Image array size Array Format Sensor signal Noise ratio Package type Supply Voltage Operating Temp. range Current consumption: video modes operation Standby Mode/PC Suspend Mode, SUSPEND asserted (see note Standby Mode/PC Suspend Mode, SUSPEND asserted (see note
2.67mm 2.04mm Approx. 57dB 36LCC 3.3V +/-5% 40oC <100 <300 Units
Table VV6410 Specifications
Notes: Assuming appropriate external hardware recommendations implemented (see Section 9.), sensor SUSPEND asserted during Standby Mode/PC Suspend Mode. Hence sensor placed Sensor Suspend mode means Serial interface message SUSPEND being asserted. Where external hardware does permit sensor SUSPEND asserted during Standby Mode/PC Suspend Mode, sensor placed Sensor Suspend mode means Serial interface message only. This increases current consumption pull-up SUSPEND pin.
Colour Image Format Pixel Size Image array size Array Format Sensor signal Noise ratio Supply Voltage Package type Operating Temp. range Current consumption: video modes operation Standby Mode/PC Suspend Mode, SUSPEND asserted (see note Standby Mode/PC Suspend Mode, SUSPEND asserted (see note
pixels (VGA) 7.5µm 4.89mm 3.66mm Approx. 57dB 3.3V +/-5% 48LCC 40oC <100 <300 Units
Table VV6500 Specifications
Notes: Assuming appropriate external hardware recommendations implemented (see Section 9.), sensor SUSPEND CDSTV0680F-C STV0680F_contents.fm Commercial confidence
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asserted during Standby Mode/PC Suspend Mode. Hence sensor placed Sensor Suspend mode means Serial interface message SUSPEND being asserted. Where external hardware does permit sensor SUSPEND asserted during Standby Mode/PC Suspend Mode, sensor placed Sensor Suspend mode means Serial interface message only. This increases current consumption pull-up SUSPEND pin.
Parameter
Junction Temp Standard Pullup (SDA, SCL) Standard Pulldown (OEB) Non-standard Pullup (RESETB)
Min.
-0.5v
Max.
0.5v 0.4V
Notes
Guaranteed input voltage Guaranteed input high voltage type 100µA type
2.4v
0.5v
35µA current draw 25µA current draw 66µA current draw
42µA current draw 250µA current draw
Table VV6410/6500 Characteristics Typical current consumption complete camera
following data assumes that camera been built according reference design referred Section Figures approximate depend actual components sourced notes.
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52µA current draw
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STV0680A VV6444/6410/6500
7.5.1
Using VV6444 (sensor operates
Mode
'Snapshot'/Continuous/ Self timer mode (while un-tethered) 'Snapshot'/Continuous/ Self timer mode (while tethered Camera standby mode (when connected USB)
Typical Current Cons.
80mA
Comments
80mA
Assuming appropriate hardware included, power sourced from while connected. Total current this mode equals:
SDRAM self-refresh current (see note peripheral circuitry (approx. 50µA, note Suspend mode (when connected USB) Approx. 0.6mA SDRAM self-refresh current (see note Total current this mode equals: STV0680/680A Standby current consumption (see note SDRAM self-refresh current (see note peripheral circuitry (approx. 50µA, note 200µA based 1.5k pull-up camera (see Section pull-down
Table Current consumption, complete STV0680A+VV6444 camera
Notes: Table page From limited evaluation, typical self-refresh current figures certain SDRAM chips well below manufacturers' maximum specification, e.g. 100-250µA. Section recommendations. This assuming quiescent current VReg used, assuming that sensor switched using external circuitry.
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Approx. 0.4mA SDRAM self-refresh current (see note
STV0680/680A Standby current consumption (see note
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
7.5.2
Using VV6410/6500 (sensor operates 3.3V
Mode
'Snapshot'/Continuous/ Self timer mode (while un-tethered) 'Snapshot'/Continuous/ Self timer mode (while tethered Standby Mode (when connected USB): Sensor SUSPEND asserted (see note
Typical
60mA
Comments
Assuming appropriate hardware included, power sourced from while connected.
60mA
Approx. 0.5mA SDRAM selfrefresh current (see note
Total current this mode equals: STV0680A Standby current consumption (see note SDRAM self-refresh current (see note peripheral circuitry (approx. 50µA). Sensor suspend mode current (See note
Suspend mode (when connected USB): Sensor SUSPEND asserted (see note
Approx. 0.7mA SDRAM selfrefresh current (see note
Total current this mode equals: STV0680A Standby current consumption (see note +SDRAM self-refresh current (see note peripheral circuitry (approx. 50µA). 200µA based 1.5k pull-up camera (see Section pull-down Sensor suspend mode current (See note
Table Current consumption, complete STV0680A+VV6410/6500 camera
Notes: Table page page However, STV0680A mean current consumption determined measurement sample quantity course. From limited evaluation, typical self-refresh current figures certain SDRAM chips well below manufacturers' maximum specification, e.g. 100-250µA. Section recommendations. Sensor suspend mode current <100µA when SUSPEND asserted, Table Table appropriate hardware assert sensor SUSPEND fitted, addditional current consumption this mode 200µA expected.
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STV0680A descriptions Package Information STV0680A Listing
Signal
Type
Description
Sensor Interface
drive
SENSPWR SENSRST QCLK SCLKO
Output, active high Output, active Input/Output (OD,T) Input/Output (OD,T) Input (S,T) Input (S,T) Input (S,T) Input (S,T) Input (S,T) Output
Power-up Sensor Reset Sensor Sensor serial interface Sensor serial interface Sensor data Sensor data Sensor data Sensor data Qualification clock from sensor Clock output sensor GPIO (see note)
(SL) (SL) (SL) (SL)
GPIO0 (MODE) GPIO1 (SHUTTER) GPIO2 GPIO3 (50/60) GPIO4 GPIO5 GPIO6 GPIO7
Debounced input Debounced input (OD) Debounced input (OD) Output (OD) (OD) (OD)
Push button (Wake-up/Mode) Push button (Shutter/Confirm) used (tie with link) Link select between 50Hz 60Hz lighting used (tie with link) indicator used (tie with link) used (tie with link) Interface
(SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL)
USBDETECT DATA+
Input Input/Output
Detect Power source from USB. speci(For camera with RS232 only, this should tied GND) fication V1.1 comUSB pliant (For camera with RS232 only, this should connected test points allow production test (lens focussing)) bus. (For camera with RS232 only, this should connected test points allow production test (lens focussing)) RS232 Interface
DATA-
Input/Output
Output Input
Serial data transmit (For camera with only, this should tied RXD) Serial data receive (For camera with only, this should tied TXD) STV0680A Master Clocks Reset
(SL)
XOUT
Input Output CDSTV0680F-C
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Signal
RESET
Type
Input
Description
Active (LOW) STV0680A reset System Memory (SDRAM) Interface
drive
DQMU DCLK AD11 AD10 AD12 AD13 DQML DQ15 DQ14 DQ13
Output Output Output Output Output Output Output Output Output Output Output Output Output Output Output Output Output Output, active Output, active Output, active Output, active Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output Input/Output
Data input/output mask dram_DQ[15:8] Clock: SDRAM input signals sampled positive edge Clock enable: activates (HIGH) deactivates (LOW) SDRAM signal SDRAM address SDRAM SDRAM SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address SDRAM address
(SL) (SL) (SL) (SL) (SL)
(SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL)
SDRAM address A12, SDRAM, unused (SL) SDRAM address A13, SDRAM, unused (SL) Chip select: enables (registered LOW) disables (registered HIGH) SDRAM command decoder. SDRAM address strobe command SDRAM column address strobe command SDRAM write enable command Data input/output mask dram_DQ[7:0] SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data CDSTV0680F-C Commercial confidence (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL)
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Signal
DQ12 DQ11 DQ10
Type
Input/Output Input/Output Input/Output Input/Output Input/Output
Description
SDRAM Data SDRAM Data SDRAM Data SDRAM Data SDRAM Data Interface
drive
(SL) (SL) (SL) (SL) (SL)
LCDCOM LCD1_6 LCD1_5 LCD1_4 LCD1_3 LCD1_2 LCD1_1 LCD1_0 LCD2_6 LCD2_5 LCD2_4 LCD2_3 LCD2_2 LCD2_1 LCD2_0
Output Output Output Output Output Output Output Output Output Output Output Output Output Output Output
Common digit segment digit segment digit segment digit segment digit segment digit segment digit segment digit segment digit segment digit 2segment digit 2segment digit 2segment digit segment digit segment Piezo Interface
(SL) (SL)
(SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL) (SL)
PIEZO
Output
Direct connection piezo buzzer Battery Level Comparator Interface
(SL)
LO_BAT LO_BAT_REF
Input Input
Battery level comparator input. voltage low_bat compared reference determine battery status 1.22V battery level comparator reference input Power Ground
DVSS[1-5] DVDD[1-4] PLLGVDD PLLGVSS PLLAVDD PLLAVSS
Power Power Power Power Power Power
Digital Ground Digital Power Guard Power Guard Ground Analog Power Analog Ground Non-user pins
TEST0 TEST1
Input Input
Non-user connect Non-user connect CDSTV0680F-C
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STV0680A VV6444/6410/6500
Signal
TEST2 DACRES I(A)
Type
Input Non-user
Description
Non-user connect example schematic Section bias amplifier reference input
drive
DACOUT
Non-user
example schematic Section 8-bit current source output
0-10mA
Table STV0680A listing
Key: slew rate limited output open drain output schmitt input analog input/output tolerant (these pads have diode protection)
Where type explicitly defined above notes, assume CMOS. Note: GPIO `general purpose', sense that their function predetermined (e.g. GPIO0 MODE, GPIO2 Unused), dependant variant number STV0680/STV0680A, denoted suffix part number -00x.
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STV0680A pinout diagram
LCD1_a LCD1_b LCD1_c LCD1_d LCD1_e LCD1_f LCD1_g LCD2_a LCD2_b LCD2_c LCD2_d LCD2_e LCD2_f LCD2_g LCDCOM PIEZO DVDD4 DACOUT DACRES
STV0680A 100QFP
Figure STV0680A pinout 100QFP package
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VSS1 DQML DQMU VSS2
LO_BAT LO_BAT_REF DVSS5 GPIO0 (MODE) GPIO1 (SHUTTER) GPIO2 GPIO3 (50/60) GPIO4 GPIO5 (LED) GPIO6 GPIO7 SENSPWR SENSRST SCLKO QCLK DVDD3 DVSS4 PLLAVSS PLLAVDD PLLGVSS PLLGVDD RESET
ETEC ATATE VSS3
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
STV0680A Package Dimensions
Figure 100QFP Package dimensions
Note: pitch 0.65mm sensor pinout package dimensions, Section 10., Section 11., Section CDSTV0680F-C STV0680F_contents.fm Commercial confidence
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Schematics example parts list complete camera design Schematics
STV0680+VV6444 Reference Design Manual STV0680/680A+VV6410/6500 Reference Design Manual
Support schematics shown following documents:
Both available section Imaging Division site internal access) (all other access)
example parts list shown Section 9.2, however above documents should referred most date information.
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Example Parts List
following taken from STV0680A VV6410/6500 Design Manual 0.1.
Bill materials DCA1+VV6410/6500 camera 0.1, 23rd 1999 battery power supply option (using external Vreg) assumed. Non-populated options shown with grey background. Preliminary Page QTYREFDES DEVICE PACKAGE VALUE COST BATTERY BATTERY 100N C2,C7, 100N C8,C10,C11, C12,C13,C14, C17,C18,C20, C21,C23,C24, C25,C27,C28, C29,C30,C31, C32,C33 100N C5,C6 C15,C16 C19,C26 220P 220N ECAP C35,C36 ECAP 1N4001 DO41 1N4001 Schottky DO41 Schottky DIODE SOT23 BAS116 D3,D4 DIODE SOT23 BAS16 F1,F2,F3 FERRITE USB_CON CON_USB_4 TYPE_B JACK_SKT SCJ-0355B LCD1 2DIGITLC LED1 2PINTHRU SOT23 BC848 Q2,Q3 SOT23 BC848 SOT23 SOT23 BCW61 SOT23 SOT23 SI2301DS SOT23 SI2301DS SOT23 SI2301DS SOT23 220K 220K R9,R13 R10,R14, R6,R23 100K 100K 100K 100K 470K 430K 510K Total (Page
NOTES with option with option option only
option only
C35, option only purpose batteries Only schottky batteries Must leakage Only RS232 required compliance Must Type compliance Only RS232 Could omitted reduced current cons. only required option Only RS232 Required inrush protection Only RS232 Only required option Only required option Required inrush protection
only req'd RS232 camera with test points required inrush protection (Exact value verified) only required Option only req'd RS232 camera with test points required inrush protection Only R6/R23 required
Suggested value battery Suggested value 4.5v battery
Table STV0680A VV6410/6500: Parts list
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STV0680A VV6444/6410/6500
only required option Only RS232
SW2,SW3 TP1,TP2,TP3, TP4,TP5,TP6
PUSH_SWI FARNELL_ PIEZO FARNELL_9 TESTPOIN 3V3REG VV6500 SOT89 48LCC
only required option Optional battery switch when (would lose stored images) Push button switches Only required RS232 camera with prodn. Test Only required option Could TO92 instead sensor (different foortprint VV6410) Only require Future replacement STV0680A SDRAM dual footprint possible Preferred SDRAM self refresh Idd. e.g. (16Mbit) LGM72V16162ET75 Hyundai HY57V161610DTC-7 Micron MT48LC1M16A1TG sensor (different footprint VV6500) Only require e.g. TELCOM TC54VC2702ECB RICOH Rx5VLxxC SERIES Lens with filter
MC78FC33HT1
STV0680 100QFP GM72V661 400MIL_TSOP GM72V161 400MIL_TSOP
Lens
VV6410
36LCC 2.7v threshold 12MHZ Total (Page
VOLTAGE SOP-23 DETECTOR XTAL HC49U
Table STV0680A VV6410/6500: Parts list
Note
compatible memory chips exhibit enough self-refresh current meet target current suspend mode (see Table 21). memory types have been suggested Table based limited evaluation however this does constitute full characterisation, guarantees made that self-refresh current consumption will match target suspend mode cases. Please consult memory manufacturer precise information.
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Bill materials DCA1+VV6410/6500 camera 0.1, 23rd 1999 battery power supply option (using external Vreg) assumed. Non-populated options shown with grey background. Preliminary Page QTYREFDES DEVICE PACKAGE VALUE COST R19,R20 120K R24,R26,R27, R37,R38,R42, R43,R44,R51,R52 R25,R28,R29, R31,R32,R33, R34,R35 680R R39,R40 390R TOGGLE_S SWITCH
NOTES Option only camera with RS232
fitting depends flicker frequency R52, both fitting depends flicker frequency R31, only RS232
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
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STV0680A VV6444/6410/6500
VV6444 Sensor Pinout Package Dimensions
VV6444 same pinout electrical characteristics previous generation VV6404, microlenses added increased sensitivity, colour filters different. Although VV64444 VV6404 electrically identical, STV0680 STV0680A correct settings VV6444 colour set. This means that VV6404 should used with STV0680/680A.
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STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
10.1 VV6444 Listing
Name Type POWER SUPPLIES AVCC AGND DVDD DVSS/Dsub AVDD AVSS VVDD VVSS ADCVDD ADCVSS VDD1 VDD2 VDD3 VSS1 VSS2 VSS3 Core analogue power reference supplies. Core analogue ground reference supplies. Core digital power. Core digital ground. Output stage power. Output stage ground. Analogue output buffer power. Description
power. ground. Digital padring logic power. Digital padring logic power. Digital padring logic power. Digital padring logic ground. Digital padring logic ground. Digital padring logic ground. ANALOGUE SIGNALS
VBLOOM VBLTW VCM/ VREF2V5 VCDSH ADCbot ADCtop TopRef
Anti-blooming pixel reset voltage Bitline test white level reference Internally generated bandgap reference voltage 1.22V Common-mode input Internally generated reference voltage. Pixel reset voltage VCDS Bottom voltage reference voltage reference Internally generally voltage reference
Name
Type
Description DIGITAL CONTROL SIGNALS
HOLDPIX
Test Frame timing reset (soft reset). CDSTV0680F-C Commercial confidence
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Analogue output buffer ground.
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
Name RESETB
Type System Reset. Active Low. SERIAL INTERFACE
Description
Serial clock (input only). Serial data (bidirectional, open drain). DIGITAL VIDEO INTERFACE
Tristateable data qualification clock. required STV0680A Digital output (tristate) enable. SYSTEM CLOCKS
CLKI CLKO
Oscillator input. Oscillator output. connect
21-28
connect
Analogue Input Analogue Output Bidirectional Bidirectional with internal pull-up Bidirectional with internal pull-down Digital Input Digital input with internal pull-up Digital input with internal pull-down Digital Output Tristateable Digital Output
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D[3] D[2] D[1] D[0]]
Tristateable 4-wire output data bus. D[3] most significant bit.
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
10.2 VV6444 Pinout Diagram
VDD2
CLKI CLKO D[0] D[1] VDD3 VSS3 D[2] D[3]
RESETB ADCVDD TopRef/ADCTop HOLDPIX ADCBot ADCVSS VVSS VVDD
VDD1
VSS2
VSS1
VV6444
DVDD DVSS/Dsub VBLOOM VBLTW AGND AVCC VREF2V5 VCDS AVSS AVDD
Figure VV6444 Pinout
Notes: connected Paddle connections
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STV0680A VV6444/6410/6500
10.3 VV6444 Package Dimensions
Notes. optically centred. Refractive index glass ~1.52. Distance optical surface Die. Pixel area sensor.
14.52 14.09 4.27
Figure VV6444 package dimensions 48LCC
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11.176 ±0.13
1.016 ±0.08
3.21
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
2.27 1.85
0.60 0.50
Figure VV6444 package dimensions 48LCC
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STV0680A VV6444/6410/6500
VV6410 Pinout information package dimensions
Note that early VV6410 samples seen some STV0680A EVK's) 48LCC, however sampling production package 36LCC.
11.1 VV6410 pinout
VSScore
SRAMVSS
RESETB
VSSio
D[0]
D[1]
D[2]
PORB
D[3]
SUSPEND
D[4]
VV6410
LST/D[5]
Vid3V3
36LCC
AVSS
FST/D[6]
VDDhi
CLKI
Vbloom
D[7]
Vbltw
VDDio VDDcore/ Reg3V3 Vbase Vbus Aud3V3 AoutP
AoutN
Figure CLCC package assignment
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Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
11.2
VV6410 descriptions
Name
Number
Type POWER SUPPLIES
Description
AVSS SRAMVSS VDDcore/ Reg3V3 VDDio VSScore VSSio
Core analog ground reference supplies. In-column SRAM analog ground. Digital logic power. Digital ring power. Digital logic ground. Digital ring ground.
Vbloom VBLTW AOutP AOutN VDDHI VBase Vbus Aud3V3 Vid3V3 PORB
Anti-blooming pixel reset voltage Bitline test white level reference Internally generated bandgap reference voltage 1.22V Pixel reset voltage Analog input Audio Amplifier Analog output Audio Amplifier (positive) Analog output Audio Amplifier (negative) Incoming power supply Drive base external bipolar Incoming power supply On-chip Audio Amplifier Voltage Regulator Output On-chip Video Supply Voltage Regulator Output Power-on Reset (Bar) Output.
DIGITAL VIDEO INTERFACE
D[4] D[3] D[2] D[1] D[0] LST/D[5] Tri-stateable data qualification clock. Tri-stateable Line start output configured tri-stateable output data D[5]. FST/D[6] Tri-stateable Frame start signal. configured tri-stateable output data D[6].
Tri-stateable 5-wire output data bus. D[4] most significant bit. D[4:0] have programmable drive strengths
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ANALOG SIGNALS
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
Name
D[7]
Number
Type
Description
Tri-stateable Data wire data bit). configured tri-stateable output data D[6].
Digital output (tri-state) enable.
DIGITAL CONTROL SIGNALS
RESETB System Reset. Active Low. configured System Sync. Active Low. SUSPEND Suspend Mode Control signal. Active High this feature required then support circuit must pull ground. combination active high signal pull chosen limit current drawn device while suspend mode.
SERIAL INTERFACE
Serial clock (input only). Serial data (bidirectional, open drain).
SYSTEM CLOCKS
CLKI Schmitt Buffered Clock input LVDS positive Clock input
connected
connected
Analog Input Analog Output Bidirectional Bidirectional with internal pull-up Bidirectional with internal pull-down Digital Input Digital input with internal pull-up Digital input with internal pull-down Digital Output Tri-stateable Digital Output
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Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
11.3 VV6410 package Details (36pin CLCC)
(note 1.09 ±0.15
0.16+ 0.26 2.15
1.55 ±0.16
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0.30+ 0.13 10.67
0.00 0.10 0.60
2.67
2.02
1.02 ±0.13
8.13 ±0.13
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
STV0680A VV6444/6410/6500
VV6500 Pinout descriptions (48pin package) 12.1 Pinout SRAMVSS VSSCORE
VSSIO
RESET D[0] D[1] D[2] D[3] D[4] LST/D[5] FST/D[6] LKI/C LKIP D[7] VDDIO
SUSPEND VCMTCAS VID3V3 AVSS VDDHI VBLOOM VBLTW
VV6500 48LCC
VDDCORE
REG3V3
VBASE
VBUS
AUD3V3
AOUTP
Figure package assignment
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12.2 VV6500 descriptions
Name
Number
Type POWER SUPPLIES
Description
AVSS SRAMVSS VDDcore VDDio VSScore VSSio SRAMVSS
Core analog ground reference supplies. In-column SRAM analog ground. Digital logic power. Digital ring power. Digital logic ground. Digital ring ground. In-column SRAM analogue ground.
ANALOG SIGNALS
Vbloom VBLTW VCMTCAS AOutP AOutN VDDHI VBase Vbus Reg3V3 ARef Aud3V3 Vid3V3 PORB Anti-blooming pixel reset voltage Bitline test white level reference Internally generated bandgap reference voltage 1.22V Common-mode input column pre-amp. Pixel reset voltage Analog input Audio Amplifier Analog output Audio Amplifier (positive) Analog output Audio Amplifier (negative) Incoming power supply Drive base external bipolar Incoming power supply On-chip Voltage Regulator Output On-chip Audio Amplifier Reference Input On-chip Audio Amplifier Voltage Regulator Output On-chip Video Supply Voltage Regulator Output Power-on Reset (Bar) Output.
DIGITAL VIDEO INTERFACE
D[4] D[3] D[2] D[1] D[0] Tri-stateable data qualification clock. Tri-stateable 5-wire output data bus. D[4] most significant bit. D[4:0] have programmable drive strengths
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STV0680A VV6444/6410/6500
Name
CLKIN LST/D[5]
Number
Type
LVDS negative Clock input
Description
Tri-stateable Line start output configured tri-stateable output data D[5].
FST/D[6]
Tri-stateable Frame start signal. configured tri-stateable output data D[6].
D[7]
Tri-stateable Data wire data bit). configured tri-stateable output data D[6].
DIGITAL CONTROL SIGNALS
RESETB System Reset. Active Low. configured System Sync. Active Low. SUSPEND Suspend Mode Control signal. Active High this feature required then support circuit must pull ground. combination active high signal pull chosen limit current drawn device while suspend mode.
SERIAL INTERFACE
Serial clock (input only). Serial data (bidirectional, open drain).
SYSTEM CLOCKS
CLKI/CLKIP Schmitt Buffered Clock input LVDS positive Clock input
connected
2228, connected
Analog Input Analog Output Bidirectional Bidirectional with internal pull-up Bidirectional with internal pull-down Digital Input Digital input with internal pull-up Digital input with internal pull-down Digital Output Tri-stateable Digital Output
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Digital output (tri-state) enable.
Notes. optically centred. Refractive index glass ~1.52. Distance optical surface Die. Pixel area sensor.
STV0680A VV6444/6410/6500
(note 2.02
0.60 0.50
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
This version: VIBU internal only
1.016 ±0.080
11.176 ±0.130
STV0680F_500_pckg.fm
2.27 1.85 1.120 0.896 (note 2.67 14.52 14.09
12.3 VV6500 package Details LCC)
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STV0680A VV6444/6410/6500
Evaluation
STMicroelectronics recommends using Evaluation (e.g. STV-DCA/CIF-E01) initial evaluation design-in. STVDCA includes reference design board (STV-DCA/CIF-R01) camera module, containing STMicroelectronics CMOS sensor STV0680A chipset, memory, lens, connectors, LCD, battery holder, push buttons/switches, other componentry detailed. push buttons arranged ease operation real `camera'. Optional links enable alternate functionality, demonstration software included, detailed Section allows picture download, video, movie clips
Note
evaluation available STV0680+VV6444. Several small form factor demonstration units (PCB0194) have been built, however, these identical camera described this reference design.
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Ordering details
Description
STV0680 companion processor RS232 support) STV0680A companion processor (including RS232 support)
Part number
STV0680-001 STV0680A-002*
VV6444+STV0680/STV680A designs
packaged Image Sensor (5v) STV0680/STV0680A VV6444 Digital Camera Chipset, Reference Design Manual VV6444C001 Available download from home.htm
VV6410/6500+STV0680A designs
48pin CLCC packaged, microlensed ColourMOS sensor Digital camera Evaluation STV0680/STV0680A+VV6410 Digital camera Evaluation STV0680/STV0680A+VV6500 STV0680/STV0680A VV6410/6500 Digital Camera Chipset, Reference Design Manual Table Ordering details
VV6500C001 STV-DCA/CIF-E01 STV-DCA/VGA-E01 Available download from home.htm
Note: variant number STV0680A indicated suffix -001, 002, 003, etc. Contact STMicroelectronics latest information.
Technical support
This document other related technical support information, such datasheets, software downloads,etc STMicroelectronics Imaging Division Products found Note: above addresses when accessing from within should read www.edb.st.com rather than www.vvl.co.uk
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36pin CLCC packaged, microlensed ColourMOS sensor
VV6410C036
STV0680A VV6444/6410/6500
Digital Camera Chipset; Customer Datasheet, 3.0, March 2000
Information furnished believed accurate reliable. However, STMicroelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights STMicroelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. STMicroelectronics products authorized critical components life support devices systems without express written approval STMicroelectronics logo registered trademark STMicroelectronics 2000 STMicroelectronics Rights Reserved
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